If you prefer to omit the anchovies from the salad dressing, substitute the anchovies for an additional 1 teaspoon of Worcestershire sauce and 1 teaspoon of lemon juice instead.
Store the remaining dressing in the refrigerator for up to 2 weeks.
Store the leftover croutons in an airtight container for up to 2 weeks or freeze for up to 2 months.